-13.14% is the change from 487 to 423
Calculation steps:
[( 423 - 487 ) ÷ 487] x 100 = -13.14%
Formula
Percentage change = [(423 - 487) / 487] x 100
Subtract the new number by the original number
423 - 487 = -64
-64 ÷ 487 = -0.13141683778234087
-0.13141683778234087 x 100 = -13.14%